Universal quadratic zero forms in four variables
by Fred Winchell Sparks.
APA Citation
Sparks, F. W. (Fred Winchell). (1933). Universal quadratic zero forms in four variables. [Chicago].
MLA Citation
Sparks, Fred W. (Fred Winchell), 1891-1982. Universal Quadratic Zero Forms In Four Variables. [Chicago], 1933.
Warning: These citations may not always be complete (especially for serials).